INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. 2018/04/21 01:49:23 fuzzer started 2018/04/21 01:49:23 dialing manager at 10.128.0.26:39431 syzkaller login: [ 53.511195] can: request_module (can-proto-0) failed. [ 53.520474] can: request_module (can-proto-0) failed. 2018/04/21 01:49:49 kcov=true, comps=true 2018/04/21 01:49:51 executing program 0: mincore(&(0x7f00003fc000/0xc00000)=nil, 0xc0d80c, &(0x7f0000f4c000)=""/4096) 2018/04/21 01:49:51 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x0) ioctl$KDMKTONE(r0, 0x2283, 0x0) 2018/04/21 01:49:51 executing program 7: r0 = shmget$private(0x0, 0x1000, 0x1002, &(0x7f0000ffc000/0x1000)=nil) shmctl$SHM_UNLOCK(r0, 0xc) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x3, 0x2000) setsockopt$inet_tcp_int(r2, 0x6, 0x15, &(0x7f0000000140)=0x200, 0x4) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={"6c6f000000000600", 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000080)={@dev={0xfe, 0x80}, 0x1e, r3}) fcntl$dupfd(r1, 0x406, r1) unlink(&(0x7f00000000c0)='./file0\x00') setsockopt$inet6_mreq(r1, 0x29, 0x1b, &(0x7f0000000000)={@empty, r3}, 0x14) 2018/04/21 01:49:51 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:49:51 executing program 1: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000b94000)=""/246) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000e9f000)=0x600210) socket(0x0, 0x100000802, 0x0) syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pwritev(r0, &(0x7f0000161000)=[{&(0x7f0000d33000)="f5", 0x1}], 0x1, 0x0) 2018/04/21 01:49:51 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000806, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f000037fffd)={0x3, 0x4}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/21 01:49:51 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000040)={0x1, 0x0, [{0x600004b564d03, 0x0, 0xb0b}]}) 2018/04/21 01:49:51 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000140)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000fbf000)={{0x80}, 'port0\x00'}) [ 57.813403] IPVS: ftp: loaded support on port[0] = 21 [ 57.813486] IPVS: ftp: loaded support on port[0] = 21 [ 57.845963] IPVS: ftp: loaded support on port[0] = 21 [ 57.853553] IPVS: ftp: loaded support on port[0] = 21 [ 57.869822] IPVS: ftp: loaded support on port[0] = 21 [ 57.869938] IPVS: ftp: loaded support on port[0] = 21 [ 57.895543] IPVS: ftp: loaded support on port[0] = 21 [ 57.900892] IPVS: ftp: loaded support on port[0] = 21 [ 59.992684] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.999218] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.016889] device bridge_slave_0 entered promiscuous mode [ 60.079558] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.086069] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.127972] device bridge_slave_0 entered promiscuous mode [ 60.149264] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.155682] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.165335] device bridge_slave_0 entered promiscuous mode [ 60.180263] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.186679] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.193988] device bridge_slave_0 entered promiscuous mode [ 60.201312] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.207714] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.226076] device bridge_slave_0 entered promiscuous mode [ 60.236844] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.243239] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.251533] device bridge_slave_0 entered promiscuous mode [ 60.260967] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.267337] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.276640] device bridge_slave_0 entered promiscuous mode [ 60.285747] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.292239] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.310075] device bridge_slave_0 entered promiscuous mode [ 60.318147] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.324516] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.331997] device bridge_slave_1 entered promiscuous mode [ 60.340767] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.347174] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.355409] device bridge_slave_1 entered promiscuous mode [ 60.362453] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.368851] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.380318] device bridge_slave_1 entered promiscuous mode [ 60.388092] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.394577] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.404093] device bridge_slave_1 entered promiscuous mode [ 60.412866] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.419242] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.427229] device bridge_slave_1 entered promiscuous mode [ 60.438640] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.445076] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.467584] device bridge_slave_1 entered promiscuous mode [ 60.478306] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.484746] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.493591] device bridge_slave_1 entered promiscuous mode [ 60.500963] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.507356] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.517385] device bridge_slave_1 entered promiscuous mode [ 60.542416] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.549981] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.558809] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.572429] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.583549] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.597417] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.634492] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.663757] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.678452] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.719153] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.728510] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.736470] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.747511] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.757133] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.787180] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.900643] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.052767] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.103494] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.132432] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.159462] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.178625] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.189114] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.217648] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.235181] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.245605] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.304891] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.320527] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.332846] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.342067] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.382585] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.398803] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.491336] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.498350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.511428] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.518539] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.528279] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.544253] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.556107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.574287] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.582890] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.590175] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.596993] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.629211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.647649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.667958] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.675125] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.682792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.702165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.724422] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.732938] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.739836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.748064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.897721] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.906724] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.921160] team0: Port device team_slave_0 added [ 61.950267] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.000894] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.012903] team0: Port device team_slave_0 added [ 62.050495] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.077648] team0: Port device team_slave_1 added [ 62.095780] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.106142] team0: Port device team_slave_0 added [ 62.114378] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.132805] team0: Port device team_slave_0 added [ 62.147226] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.162546] team0: Port device team_slave_1 added [ 62.170123] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.188850] team0: Port device team_slave_0 added [ 62.194288] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.205810] team0: Port device team_slave_0 added [ 62.213758] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.225949] team0: Port device team_slave_1 added [ 62.249673] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.264690] team0: Port device team_slave_0 added [ 62.283619] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.300684] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.330755] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.342551] team0: Port device team_slave_1 added [ 62.347871] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.355430] team0: Port device team_slave_1 added [ 62.366649] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.374554] team0: Port device team_slave_1 added [ 62.392768] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.406677] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.439489] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.457384] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.466109] team0: Port device team_slave_1 added [ 62.481500] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.489374] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 62.503737] team0: Port device team_slave_0 added [ 62.519532] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.528443] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.538752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.554852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.575097] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.583655] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.591933] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.601630] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.608712] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.616877] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.626677] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.636918] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.646998] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.654482] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.662625] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.681778] team0: Port device team_slave_1 added [ 62.698731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.714855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.737111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.750969] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.758555] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.766447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.774241] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.781887] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.790761] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.799297] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.808636] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.818250] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.826767] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.836102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.855687] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.884525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.913300] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.925277] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.933160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.940665] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.948581] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.956420] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.964095] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.973495] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 62.984993] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.995700] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 63.015655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.031716] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.060435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.085738] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.096996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.104796] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.113905] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 63.121097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.129314] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.139357] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.149186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.157780] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.172753] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.182650] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 63.197296] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 63.207372] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 63.218243] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.239641] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.281527] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.299720] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.311084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.318828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.326639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.334617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.354691] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 63.371691] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.382921] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.399906] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.434060] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.470354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.479784] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.501277] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 63.524010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.549697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.579627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.607484] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.374832] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.381365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.388518] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.394893] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.431015] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.441130] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.447519] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.454210] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.460610] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.474731] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.491859] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.498275] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.504955] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.511360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.549866] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.624137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.636646] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.668354] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.821069] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.827502] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.834218] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.840600] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.886112] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.903898] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.910313] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.916954] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.923313] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.956854] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 64.971864] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.978280] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.984959] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.991334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.021348] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.092693] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.099109] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.105797] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.112178] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.135462] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.150067] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.156470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.163158] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.169530] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.179844] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 65.632248] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.647905] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.681889] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.689327] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.697249] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.736714] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.760314] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.877928] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.047841] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.078802] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.121312] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.192090] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.274233] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.315764] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.349562] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.536700] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.586277] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.613785] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.622703] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.714574] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 70.720817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.731566] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.768982] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 70.783362] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 70.790598] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 70.798109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.812548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.840676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.870771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.077442] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.084102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.095895] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.151223] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.157598] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.169907] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.196107] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.205946] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.212206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.224486] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.248616] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.291499] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.311283] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.322685] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.334147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.344495] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.612185] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.704612] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.734931] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.765160] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.777498] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.804094] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.863937] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.317282] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.598602] 9pnet_virtio: no channels available for device ./file0 2018/04/21 01:50:09 executing program 0: mincore(&(0x7f00003fc000/0xc00000)=nil, 0xc0d80c, &(0x7f0000f4c000)=""/4096) 2018/04/21 01:50:09 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000040)={0x1, 0x0, [{0x600004b564d03, 0x0, 0xb0b}]}) 2018/04/21 01:50:09 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000140)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000fbf000)={{0x80}, 'port0\x00'}) 2018/04/21 01:50:09 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x0) ioctl$KDMKTONE(r0, 0x2283, 0x0) 2018/04/21 01:50:09 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:09 executing program 7: r0 = shmget$private(0x0, 0x1000, 0x1002, &(0x7f0000ffc000/0x1000)=nil) shmctl$SHM_UNLOCK(r0, 0xc) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x3, 0x2000) setsockopt$inet_tcp_int(r2, 0x6, 0x15, &(0x7f0000000140)=0x200, 0x4) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={"6c6f000000000600", 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000080)={@dev={0xfe, 0x80}, 0x1e, r3}) fcntl$dupfd(r1, 0x406, r1) unlink(&(0x7f00000000c0)='./file0\x00') setsockopt$inet6_mreq(r1, 0x29, 0x1b, &(0x7f0000000000)={@empty, r3}, 0x14) 2018/04/21 01:50:09 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000806, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f000037fffd)={0x3, 0x4}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/21 01:50:09 executing program 1: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000b94000)=""/246) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000e9f000)=0x600210) socket(0x0, 0x100000802, 0x0) syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pwritev(r0, &(0x7f0000161000)=[{&(0x7f0000d33000)="f5", 0x1}], 0x1, 0x0) 2018/04/21 01:50:09 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x0) ioctl$KDMKTONE(r0, 0x2283, 0x0) 2018/04/21 01:50:09 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000806, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f000037fffd)={0x3, 0x4}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/21 01:50:09 executing program 0: mincore(&(0x7f00003fc000/0xc00000)=nil, 0xc0d80c, &(0x7f0000f4c000)=""/4096) 2018/04/21 01:50:09 executing program 7: r0 = shmget$private(0x0, 0x1000, 0x1002, &(0x7f0000ffc000/0x1000)=nil) shmctl$SHM_UNLOCK(r0, 0xc) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x3, 0x2000) setsockopt$inet_tcp_int(r2, 0x6, 0x15, &(0x7f0000000140)=0x200, 0x4) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={"6c6f000000000600", 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000080)={@dev={0xfe, 0x80}, 0x1e, r3}) fcntl$dupfd(r1, 0x406, r1) unlink(&(0x7f00000000c0)='./file0\x00') setsockopt$inet6_mreq(r1, 0x29, 0x1b, &(0x7f0000000000)={@empty, r3}, 0x14) 2018/04/21 01:50:09 executing program 1: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000b94000)=""/246) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000e9f000)=0x600210) socket(0x0, 0x100000802, 0x0) syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pwritev(r0, &(0x7f0000161000)=[{&(0x7f0000d33000)="f5", 0x1}], 0x1, 0x0) 2018/04/21 01:50:09 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000140)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000fbf000)={{0x80}, 'port0\x00'}) 2018/04/21 01:50:09 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000040)={0x1, 0x0, [{0x600004b564d03, 0x0, 0xb0b}]}) 2018/04/21 01:50:09 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:09 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x0) ioctl$KDMKTONE(r0, 0x2283, 0x0) 2018/04/21 01:50:09 executing program 0: mincore(&(0x7f00003fc000/0xc00000)=nil, 0xc0d80c, &(0x7f0000f4c000)=""/4096) 2018/04/21 01:50:09 executing program 7: r0 = shmget$private(0x0, 0x1000, 0x1002, &(0x7f0000ffc000/0x1000)=nil) shmctl$SHM_UNLOCK(r0, 0xc) r1 = socket$inet6_udp(0xa, 0x2, 0x0) r2 = syz_open_dev$amidi(&(0x7f0000000100)='/dev/amidi#\x00', 0x3, 0x2000) setsockopt$inet_tcp_int(r2, 0x6, 0x15, &(0x7f0000000140)=0x200, 0x4) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={"6c6f000000000600", 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000080)={@dev={0xfe, 0x80}, 0x1e, r3}) fcntl$dupfd(r1, 0x406, r1) unlink(&(0x7f00000000c0)='./file0\x00') setsockopt$inet6_mreq(r1, 0x29, 0x1b, &(0x7f0000000000)={@empty, r3}, 0x14) 2018/04/21 01:50:09 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000806, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f000037fffd)={0x3, 0x4}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/21 01:50:09 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$sndseq(&(0x7f0000000140)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f0000fbf000)={{0x80}, 'port0\x00'}) 2018/04/21 01:50:09 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fafff7)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000040)={0x1, 0x0, [{0x600004b564d03, 0x0, 0xb0b}]}) 2018/04/21 01:50:09 executing program 3: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:09 executing program 1: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000384ff7)='/dev/ppp\x00', 0x101002, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000b94000)=""/246) ioctl$PPPIOCSFLAGS(r0, 0x40047459, &(0x7f0000e9f000)=0x600210) socket(0x0, 0x100000802, 0x0) syz_open_dev$tun(&(0x7f0000000240)='/dev/net/tun\x00', 0x0, 0x0) perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pwritev(r0, &(0x7f0000161000)=[{&(0x7f0000d33000)="f5", 0x1}], 0x1, 0x0) 2018/04/21 01:50:09 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000806, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f000037fffd)={0x3, 0x4}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/21 01:50:09 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:09 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:09 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:09 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:09 executing program 5: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:10 executing program 1: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000239ff6)='/dev/cuse\x00', 0x2, 0x0) readv(r0, &(0x7f0000c6efe0)=[{&(0x7f00006c8f31)=""/207, 0xcf}], 0x1) io_setup(0xcf, &(0x7f00000000c0)=0x0) io_submit(r1, 0x1, &(0x7f00000003c0)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000100)}]) write$fuse(r0, &(0x7f0000efff6a)=ANY=[@ANYBLOB="5a000000000000000100000000000000070000000046b23250f0f6066c9509b819b78f1fb98251dc96a2b12578ee5f951cce67ed8f92384fa9fededdbf7b3a8d3b874662bb74e794b2e847ed46cd2e01d56f241542997458a321"], 0x5a) 2018/04/21 01:50:10 executing program 3: perf_event_open(&(0x7f0000348f88)={0x2, 0x70, 0x3e6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$tun(&(0x7f0000000080)='/dev/net/tun\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x4, 0x44031, 0xffffffffffffffff, 0x0) syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x0) 2018/04/21 01:50:10 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:10 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000806, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f000037fffd)={0x3, 0x4}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/21 01:50:10 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:10 executing program 3: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:10 executing program 5: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:10 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:10 executing program 1: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000239ff6)='/dev/cuse\x00', 0x2, 0x0) readv(r0, &(0x7f0000c6efe0)=[{&(0x7f00006c8f31)=""/207, 0xcf}], 0x1) io_setup(0xcf, &(0x7f00000000c0)=0x0) io_submit(r1, 0x1, &(0x7f00000003c0)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000100)}]) write$fuse(r0, &(0x7f0000efff6a)=ANY=[@ANYBLOB="5a000000000000000100000000000000070000000046b23250f0f6066c9509b819b78f1fb98251dc96a2b12578ee5f951cce67ed8f92384fa9fededdbf7b3a8d3b874662bb74e794b2e847ed46cd2e01d56f241542997458a321"], 0x5a) 2018/04/21 01:50:10 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) [ 76.466211] CUSE: info not properly terminated [ 76.474366] CUSE: info not properly terminated 2018/04/21 01:50:11 executing program 5: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:11 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000806, 0x0) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f000037fffd)={0x3, 0x4}, 0x8) setsockopt$inet6_buf(r0, 0x29, 0x39, &(0x7f0000e86000)="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", 0x118) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0x1c) close(r0) 2018/04/21 01:50:11 executing program 3: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:11 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:11 executing program 6: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:11 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:11 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x78, 0x3e2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(&(0x7f000097fff8)='./file0\x00', &(0x7f0000a51ff8)='./file0\x00', &(0x7f00002d6ffd)='9p\x00', 0x0, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0xfffffffffffffffd) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000040)={0x0, 0xfff}, &(0x7f00000000c0)=0x8) ioctl$TIOCGSID(r0, 0x5429, &(0x7f00000001c0)=0x0) ptrace$peek(0x2, r2, &(0x7f0000000200)) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000100)={r1, 0x800, 0x800}, 0x8) bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000280)={0x0, r0, 0x4000000000003, 0x3}, 0x14) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000340)=0x4, 0x4) ioctl$DRM_IOCTL_RES_CTX(r0, 0x6611, &(0x7f0000000080)={0x0, &(0x7f00000000c0)}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000140)={r1, 0xd6581b4, 0x0, 0x3f}, &(0x7f0000000180)=0x10) mount(&(0x7f0000000000)='./file0\x00', &(0x7f0000447000)='./file0\x00', &(0x7f00000e1000)='msdos\x00', 0x0, &(0x7f000097bfff)) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r3, 0x10, &(0x7f00000000c0)={0x6}) r4 = openat$kvm(0xffffffffffffff9c, &(0x7f0000fcbff7)='/dev/kvm\x00', 0x0, 0x0) fcntl$lock(r4, 0x7, &(0x7f0000000240)={0x1, 0x0, 0x800, 0x1228, r2}) getsockopt$inet_sctp_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000002c0)={r1, 0x10000, 0x7, 0x3ff}, &(0x7f0000000300)=0x10) r5 = ioctl$KVM_CREATE_VM(r4, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r5, 0xae60) sched_getscheduler(r2) ioctl$KVM_IRQ_LINE_STATUS(r5, 0xc008ae67, &(0x7f0000000180)) 2018/04/21 01:50:11 executing program 5: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:11 executing program 2: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000239ff6)='/dev/cuse\x00', 0x2, 0x0) readv(r0, &(0x7f0000c6efe0)=[{&(0x7f00006c8f31)=""/207, 0xcf}], 0x1) io_setup(0xcf, &(0x7f00000000c0)=0x0) io_submit(r1, 0x1, &(0x7f00000003c0)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000100)}]) write$fuse(r0, &(0x7f0000efff6a)=ANY=[@ANYBLOB="5a000000000000000100000000000000070000000046b23250f0f6066c9509b819b78f1fb98251dc96a2b12578ee5f951cce67ed8f92384fa9fededdbf7b3a8d3b874662bb74e794b2e847ed46cd2e01d56f241542997458a321"], 0x5a) 2018/04/21 01:50:11 executing program 3: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:11 executing program 7: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) 2018/04/21 01:50:11 executing program 4: r0 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) getsockopt$llc_int(r0, 0x10c, 0x0, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/04/21 01:50:11 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000140)="2e2f6367726f757000361a6f74a1b774b8642f3dfdd313d92946ff0167415d8dc22791dcd496520c1c99f4b07d3b2a11090000000229210b73abdcd2986fc290ac9b6ace278586d39949a54fb276eb1fd3964b0cad27e417b33abb8d3b00e64e75e4dff47de27536dccdde5fc746b04faafcec347560a31b3a35a5f20bc949d75cbb763987", 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000080)='cgroup.threads\x00', 0x2, 0x0) sendfile(r1, r1, &(0x7f0000000040)=0x3, 0x1) 2018/04/21 01:50:11 executing program 1: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000239ff6)='/dev/cuse\x00', 0x2, 0x0) readv(r0, &(0x7f0000c6efe0)=[{&(0x7f00006c8f31)=""/207, 0xcf}], 0x1) io_setup(0xcf, &(0x7f00000000c0)=0x0) io_submit(r1, 0x1, &(0x7f00000003c0)=[&(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, r0, &(0x7f0000000100)}]) write$fuse(r0, &(0x7f0000efff6a)=ANY=[@ANYBLOB="5a000000000000000100000000000000070000000046b23250f0f6066c9509b819b78f1fb98251dc96a2b12578ee5f951cce67ed8f92384fa9fededdbf7b3a8d3b874662bb74e794b2e847ed46cd2e01d56f241542997458a321"], 0x5a) 2018/04/21 01:50:11 executing program 6: syz_emit_ethernet(0x36, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2f, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}, @multicast1=0xe0000001}, @tcp={{0x88caffff, 0x0, 0x42424242, 0x42424242, 0x0, 0x0, 0x5}}}}}}, 0x0) [ 77.372039] CUSE: info not properly terminated 2018/04/21 01:50:11 executing program 5: syz_mount_image$vfat(&(0x7f0000000400)='vfat\x00', &(0x7f0000000800)='./bus\x00', 0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000c40)={[{@errors_remount='errors=remount-ro', 0x2c}]}) 2018/04/21 01:50:11 executing program 6: syz_emit_ethernet(0x36, &(0x7f0000000000)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x2f, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}, @multicast1=0xe0000001}, @tcp={{0x88caffff, 0x0, 0x42424242, 0x42424242, 0x0, 0x0, 0x5}}}}}}, 0x0) 2018/04/21 01:50:11 executing program 3: r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000000)) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) socket$netlink(0x10, 0x3, 0x10) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) perf_event_open(&(0x7f0000b5a000)={0x4000000002, 0x78, 0x1e2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$IP_VS_SO_GET_DAEMON(0xffffffffffffffff, 0x0, 0x487, &(0x7f0000000140), &(0x7f0000000180)=0x44) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(0xffffffffffffffff, 0x6, 0x21, &(0x7f0000000340)="32f4e583fb46bf5e20ad2e62c3bd8046", 0x10) setsockopt$IP_VS_SO_SET_STARTDAEMON(r2, 0x0, 0x48b, &(0x7f0000000000)={0x1, 'gre0\x00'}, 0x18) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f00000002c0)) setsockopt$IP_VS_SO_SET_STOPDAEMON(r2, 0x0, 0x48c, &(0x7f0000001d00)={0x1, 'vcan0\x00'}, 0x18) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) sendto$inet(r0, &(0x7f000026cfff)="c6", 0x1, 0x0, &(0x7f000052a000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) ioctl$TIOCLINUX2(r3, 0x541c, &(0x7f0000000040)={0x2, 0x1, 0x6, 0x7, 0x1, 0x14000000000000}) setsockopt$ax25_int(0xffffffffffffffff, 0x101, 0x0, &(0x7f0000000000)=0xffffffffffffffff, 0x4) shutdown(r0, 0x1) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000000280), &(0x7f0000000280)=0x319) 2018/04/21 01:50:11 executing program 7: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) [ 77.491793] ================================================================== [ 77.499429] BUG: KASAN: null-ptr-deref in refcount_inc_not_zero+0x8f/0x2d0 [ 77.506455] Read of size 4 at addr 0000000000000004 by task syz-executor4/6742 [ 77.513816] [ 77.515450] CPU: 1 PID: 6742 Comm: syz-executor4 Not tainted 4.17.0-rc1+ #10 [ 77.522630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.531983] Call Trace: [ 77.534581] dump_stack+0x1b9/0x294 [ 77.538223] ? dump_stack_print_info.cold.2+0x52/0x52 [ 77.543420] ? kasan_check_write+0x14/0x20 [ 77.547663] ? do_raw_spin_lock+0xc1/0x200 [ 77.551909] ? vprintk_func+0x81/0xe7 [ 77.555719] ? refcount_inc_not_zero+0x8f/0x2d0 [ 77.560392] kasan_report.cold.7+0x6d/0x2fe [ 77.564724] check_memory_region+0x13e/0x1b0 [ 77.569140] kasan_check_read+0x11/0x20 [ 77.573124] refcount_inc_not_zero+0x8f/0x2d0 [ 77.576108] FAT-fs (loop5): bogus number of reserved sectors [ 77.577622] ? refcount_add_not_zero+0x320/0x320 [ 77.577648] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.577666] ? lock_sock_nested+0x9f/0x120 [ 77.577688] refcount_inc+0x15/0x70 [ 77.577711] llc_ui_release+0xba/0x2b0 [ 77.583595] FAT-fs (loop5): Can't find a valid FAT filesystem [ 77.588302] ? fsnotify_first_mark+0x330/0x330 [ 77.588322] sock_release+0x96/0x1b0 [ 77.588337] ? sock_alloc_file+0x4e0/0x4e0 [ 77.588355] sock_close+0x16/0x20 [ 77.626805] __fput+0x34d/0x890 [ 77.630078] ? fput+0x1a0/0x1a0 [ 77.633352] ? _raw_spin_unlock_irq+0x27/0x70 [ 77.637840] ____fput+0x15/0x20 [ 77.641112] task_work_run+0x1e4/0x290 [ 77.644986] ? task_work_cancel+0x240/0x240 [ 77.649303] ? switch_task_namespaces+0xbd/0xd0 [ 77.653965] do_exit+0x1aee/0x2730 [ 77.657499] ? mm_update_next_owner+0x980/0x980 [ 77.662157] ? print_usage_bug+0xc0/0xc0 [ 77.666217] ? check_same_owner+0x320/0x320 [ 77.670527] ? do_raw_spin_unlock+0x9e/0x2e0 [ 77.674927] ? rcu_note_context_switch+0x710/0x710 [ 77.679839] ? lock_acquire+0x1dc/0x520 [ 77.683807] ? __might_sleep+0x95/0x190 [ 77.687777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.693301] ? __lock_acquire+0x7f5/0x5140 [ 77.697526] ? kasan_check_write+0x14/0x20 [ 77.701745] ? do_raw_spin_lock+0xc1/0x200 [ 77.705969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.711500] ? debug_check_no_locks_freed+0x310/0x310 [ 77.716683] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 77.721868] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.727392] ? drop_futex_key_refs.isra.13+0x6d/0xe0 [ 77.732483] ? futex_wait+0x5c1/0x9f0 [ 77.736272] ? perf_trace_lock+0xd6/0x900 [ 77.740410] ? zap_class+0x720/0x720 [ 77.744108] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 77.749289] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.754809] ? drop_futex_key_refs.isra.13+0x6d/0xe0 [ 77.759897] ? futex_wake+0x2f6/0x750 [ 77.763682] ? graph_lock+0x170/0x170 [ 77.767479] ? memset+0x31/0x40 [ 77.770749] ? find_held_lock+0x36/0x1c0 [ 77.774810] ? lock_downgrade+0x8e0/0x8e0 [ 77.778951] do_group_exit+0x16f/0x430 [ 77.782825] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 77.787392] ? __ia32_sys_exit+0x50/0x50 [ 77.791445] ? _raw_spin_unlock_irq+0x27/0x70 [ 77.795936] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.800944] get_signal+0x886/0x1960 [ 77.804651] ? ptrace_notify+0x130/0x130 [ 77.808700] ? graph_lock+0x170/0x170 [ 77.812492] ? rcu_is_watching+0x85/0x140 [ 77.816630] ? mntput_no_expire+0x186/0xba0 [ 77.820939] ? dentry_kill+0xce/0x5a0 [ 77.824727] ? mnt_get_count+0x150/0x150 [ 77.828822] ? find_held_lock+0x36/0x1c0 [ 77.832879] do_signal+0x98/0x2040 [ 77.836411] ? lock_downgrade+0x8e0/0x8e0 [ 77.840551] ? setup_sigcontext+0x7d0/0x7d0 [ 77.844867] ? kasan_check_read+0x11/0x20 [ 77.849005] ? do_raw_spin_unlock+0x9e/0x2e0 [ 77.853438] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 77.858015] ? _raw_spin_unlock_irq+0x27/0x70 [ 77.862518] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.867542] ? exit_to_usermode_loop+0x87/0x310 [ 77.872205] exit_to_usermode_loop+0x28a/0x310 [ 77.876784] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 77.881614] ? fput+0x130/0x1a0 [ 77.884881] ? do_syscall_64+0x92/0x800 [ 77.888846] do_syscall_64+0x6ac/0x800 [ 77.892728] ? finish_task_switch+0x1ca/0x810 [ 77.897213] ? syscall_return_slowpath+0x5c0/0x5c0 [ 77.902132] ? syscall_return_slowpath+0x30f/0x5c0 [ 77.907056] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 77.912411] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.917244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.922417] RIP: 0033:0x455389 [ 77.925591] RSP: 002b:00007f7e0b185ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 77.933290] RAX: 0000000000000000 RBX: 000000000072bec8 RCX: 0000000000455389 [ 77.940546] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bec8 [ 77.947800] RBP: 000000000072bec8 R08: 0000000000000000 R09: 000000000072bea0 [ 77.955055] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.962312] R13: 00007fffe225512f R14: 00007f7e0b1869c0 R15: 0000000000000000 [ 77.969586] ================================================================== [ 77.976922] Disabling lock debugging due to kernel taint [ 77.983173] Kernel panic - not syncing: panic_on_warn set ... [ 77.983173] 2018/04/21 01:50:12 executing program 7: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000028000)='./control\x00', 0x0, 0x0) symlinkat(&(0x7f0000000000)='./file0\x00', r0, &(0x7f0000041000)='./file0\x00') mkdirat(r0, &(0x7f0000028000)='./control\x00', 0x0) fcntl$notify(r0, 0x402, 0x800) renameat(r0, &(0x7f0000043ff8)='./file0\x00', r0, &(0x7f0000045ff7)='./file1\x00') renameat2(r0, &(0x7f0000047ff6)='./control\x00', r0, &(0x7f0000011000)='./file1\x00', 0x2) [ 77.990548] CPU: 1 PID: 6742 Comm: syz-executor4 Tainted: G B 4.17.0-rc1+ #10 [ 77.999121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.008477] Call Trace: [ 78.011077] dump_stack+0x1b9/0x294 [ 78.014723] ? dump_stack_print_info.cold.2+0x52/0x52 [ 78.019914] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 78.024674] ? refcount_add_not_zero+0x300/0x320 [ 78.029430] panic+0x22f/0x4de [ 78.032625] ? add_taint.cold.5+0x16/0x16 [ 78.036781] ? do_raw_spin_unlock+0x9e/0x2e0 2018/04/21 01:50:12 executing program 7: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = getpgrp(0x0) capget(&(0x7f0000000040)={0x20071026, r0}, &(0x7f0000000080)) [ 78.041198] ? do_raw_spin_unlock+0x9e/0x2e0 [ 78.045609] ? refcount_inc_not_zero+0x8f/0x2d0 [ 78.050278] kasan_end_report+0x47/0x4f [ 78.054251] kasan_report.cold.7+0x76/0x2fe [ 78.058580] check_memory_region+0x13e/0x1b0 [ 78.062998] kasan_check_read+0x11/0x20 [ 78.066983] refcount_inc_not_zero+0x8f/0x2d0 [ 78.071493] ? refcount_add_not_zero+0x320/0x320 [ 78.076254] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 78.081272] ? lock_sock_nested+0x9f/0x120 [ 78.085514] refcount_inc+0x15/0x70 [ 78.089140] llc_ui_release+0xba/0x2b0 [ 78.093031] ? fsnotify_first_mark+0x330/0x330 [ 78.097617] sock_release+0x96/0x1b0 [ 78.101327] ? sock_alloc_file+0x4e0/0x4e0 [ 78.105559] sock_close+0x16/0x20 [ 78.109011] __fput+0x34d/0x890 [ 78.112290] ? fput+0x1a0/0x1a0 [ 78.115568] ? _raw_spin_unlock_irq+0x27/0x70 [ 78.120066] ____fput+0x15/0x20 [ 78.123347] task_work_run+0x1e4/0x290 [ 78.127234] ? task_work_cancel+0x240/0x240 [ 78.131555] ? switch_task_namespaces+0xbd/0xd0 [ 78.136227] do_exit+0x1aee/0x2730 [ 78.139768] ? mm_update_next_owner+0x980/0x980 [ 78.144436] ? print_usage_bug+0xc0/0xc0 [ 78.148498] ? check_same_owner+0x320/0x320 [ 78.152819] ? do_raw_spin_unlock+0x9e/0x2e0 [ 78.157244] ? rcu_note_context_switch+0x710/0x710 [ 78.162172] ? lock_acquire+0x1dc/0x520 [ 78.166152] ? __might_sleep+0x95/0x190 [ 78.170128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.175665] ? __lock_acquire+0x7f5/0x5140 [ 78.179900] ? kasan_check_write+0x14/0x20 [ 78.184130] ? do_raw_spin_lock+0xc1/0x200 [ 78.188369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.193907] ? debug_check_no_locks_freed+0x310/0x310 [ 78.199101] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 78.204290] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.209824] ? drop_futex_key_refs.isra.13+0x6d/0xe0 [ 78.214932] ? futex_wait+0x5c1/0x9f0 [ 78.218729] ? perf_trace_lock+0xd6/0x900 [ 78.222873] ? zap_class+0x720/0x720 [ 78.226587] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 78.231780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.233985] CUSE: info not properly terminated [ 78.237310] ? drop_futex_key_refs.isra.13+0x6d/0xe0 [ 78.237323] ? futex_wake+0x2f6/0x750 [ 78.237337] ? graph_lock+0x170/0x170 [ 78.237357] ? memset+0x31/0x40 [ 78.258223] ? find_held_lock+0x36/0x1c0 [ 78.262287] ? lock_downgrade+0x8e0/0x8e0 [ 78.266438] do_group_exit+0x16f/0x430 [ 78.270321] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 78.274903] ? __ia32_sys_exit+0x50/0x50 [ 78.278968] ? _raw_spin_unlock_irq+0x27/0x70 [ 78.283462] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 78.288478] get_signal+0x886/0x1960 [ 78.292194] ? ptrace_notify+0x130/0x130 [ 78.296249] ? graph_lock+0x170/0x170 [ 78.300046] ? rcu_is_watching+0x85/0x140 [ 78.304192] ? mntput_no_expire+0x186/0xba0 [ 78.308516] ? dentry_kill+0xce/0x5a0 [ 78.312317] ? mnt_get_count+0x150/0x150 [ 78.316088] CUSE: info not properly terminated [ 78.316379] ? find_held_lock+0x36/0x1c0 [ 78.324995] do_signal+0x98/0x2040 [ 78.328540] ? lock_downgrade+0x8e0/0x8e0 [ 78.332692] ? setup_sigcontext+0x7d0/0x7d0 [ 78.337017] ? kasan_check_read+0x11/0x20 [ 78.341170] ? do_raw_spin_unlock+0x9e/0x2e0 [ 78.345580] ? do_raw_spin_trylock+0x1b0/0x1b0 [ 78.350163] ? _raw_spin_unlock_irq+0x27/0x70 [ 78.354651] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 78.359654] ? exit_to_usermode_loop+0x87/0x310 [ 78.364313] exit_to_usermode_loop+0x28a/0x310 [ 78.368877] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 78.373708] ? fput+0x130/0x1a0 [ 78.376979] ? do_syscall_64+0x92/0x800 [ 78.380937] do_syscall_64+0x6ac/0x800 [ 78.384816] ? finish_task_switch+0x1ca/0x810 [ 78.389301] ? syscall_return_slowpath+0x5c0/0x5c0 [ 78.394212] ? syscall_return_slowpath+0x30f/0x5c0 [ 78.399123] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 78.404475] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.409300] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.414468] RIP: 0033:0x455389 [ 78.417634] RSP: 002b:00007f7e0b185ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 78.425322] RAX: 0000000000000000 RBX: 000000000072bec8 RCX: 0000000000455389 [ 78.432570] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000072bec8 [ 78.439815] RBP: 000000000072bec8 R08: 0000000000000000 R09: 000000000072bea0 [ 78.447070] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 78.454318] R13: 00007fffe225512f R14: 00007f7e0b1869c0 R15: 0000000000000000 [ 78.462034] Dumping ftrace buffer: [ 78.465566] (ftrace buffer empty) [ 78.469253] Kernel Offset: disabled [ 78.472856] Rebooting in 86400 seconds..